ca18det specs: General: 1809cc 16V DOHC 4cyl Bore/Stroke: 83x83.6mm Compression Ratio: 8.5:1 Block/Cyl Head: cast iron/alloy head, single timing belt. Turbocharger: single T25, exhaust AR = 0.48. 14psi boost stock, intercooled, Engine Management: Nissan ECCS Power/Torque: 173hp @ 6400rpm / 166 lb/ft @ 4000rpm, 14psi boost stock Engine Weight: 280 lbs (aprox 20lbs more than the L-18!). Source: '89-93 Nissan Silvia K